Why is potassium fluoride added to the electrolyte in the extraction of sodium from fused...
CHEMISTRY
WAEC 1989
Why is potassium fluoride added to the electrolyte in the extraction of sodium from fused sodium chloride?
- A. Pure sodium chloride does not conduct electricity
- B. Potassium fluoride prevents the sodium produced from attacking the electrodes
- C. Potassium fluride increases conductivity
- D. Potassium fluride reduces the temperature at which sodium chloride fuses
Correct Answer: D. Potassium fluride reduces the temperature at which sodium chloride fuses
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